Abstract
On the basis of the chronological and TW2 skeletal ages, increase in length and width and age changes in the width/length index of the second metacarpal are discussed for 49 male and 61 female Hottentot children aged 3 to 17 years from Warmbad, Namibia and 124 boys and 113 girls aged 1 to 21 years of related populations, the Rehoboth Basters of Namibia and Cape Coloreds from Cape Town, South Africa. The results are mainly compared with data for American Blacks and Whites, as well as for Japanese. Based on skeletal age, both metacarpal length and width are similar in all the populations until a critical point is reached, when the rate of increase becomes different for each. Thereafter, these bone dimensions are greater in the Rehoboth Basters than in the Hottentots and Japanese. However, comparisons of the index of width relative to the length of the second metacarpal at maturity show that the Hottentots, as well as their related populations, seem to be similar to the American Blacks and Whites, but slightly lower than the Japanese.
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